This follow-up to 2009's "Mandie and the Secret Tunnel" finds Mandie Shaw (Lexi Johnson) reunited with her mother (Lisa Winters) and defying her Uncle John's (Terrell Anthony) command to remain at home while he embarks on a trip to fulfill a pledge he made long ago. Their journey soon becomes quite dangerous, with Mandie learning secrets about her uncle and confronting the mystery of the Lost Antler Cave Mine. Hayley Mills, Amanda Walters co-star. 90 min. Widescreen (Enhanced); Soundtrack: English; Subtitles: English; photo gallery.